[OpenSmalltalk/opensmalltalk-vm] 4ce6d8: fix a dependency

 
  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 4ce6d87e17fa66aa7e4c4be048af6067eaf5517b
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/4ce6d87e17fa66aa7e4c4be048af6067eaf5517b
  Author: Tobias Pape <[hidden email]>
  Date:   2017-10-10 (Tue, 10 Oct 2017)

  Changed paths:
    M .travis_install.sh

  Log Message:
  -----------
  fix a dependency